CN1703894A - 用于在数字网络中更新对称密钥的简化方法 - Google Patents

用于在数字网络中更新对称密钥的简化方法 Download PDF

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Publication number
CN1703894A
CN1703894A CN200380101312.1A CN200380101312A CN1703894A CN 1703894 A CN1703894 A CN 1703894A CN 200380101312 A CN200380101312 A CN 200380101312A CN 1703894 A CN1703894 A CN 1703894A
Authority
CN
China
Prior art keywords
key
data
network
symmetric key
source device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200380101312.1A
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English (en)
Chinese (zh)
Inventor
阿兰·迪朗
让-皮埃尔·安德烈奥斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN1703894A publication Critical patent/CN1703894A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN200380101312.1A 2002-10-30 2003-10-30 用于在数字网络中更新对称密钥的简化方法 Pending CN1703894A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0213982 2002-10-30
FR0213982 2002-10-30

Publications (1)

Publication Number Publication Date
CN1703894A true CN1703894A (zh) 2005-11-30

Family

ID=32309764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200380101312.1A Pending CN1703894A (zh) 2002-10-30 2003-10-30 用于在数字网络中更新对称密钥的简化方法

Country Status (6)

Country Link
US (1) US8369524B2 (fr)
EP (1) EP1557025B1 (fr)
CN (1) CN1703894A (fr)
AU (2) AU2003292299A1 (fr)
DE (1) DE60305057T2 (fr)
WO (2) WO2004043036A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101064595B (zh) * 2006-04-27 2011-07-27 联想(北京)有限公司 一种计算机网络安全输入认证系统和方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005046157A2 (fr) * 2003-11-11 2005-05-19 Siemens Aktiengesellschaft Procede de sauvegarde de transfert de donnees entre un premier terminal et un premier reseau et entre un second terminal et un second reseau
US8127135B2 (en) * 2006-09-28 2012-02-28 Hewlett-Packard Development Company, L.P. Changing of shared encryption key
FR2953672A1 (fr) * 2009-12-08 2011-06-10 France Telecom Procede de dechiffrement de donnees par un equipement utilisateur comportant un terminal et un module de securite
US8675864B2 (en) * 2010-09-14 2014-03-18 CompuGroup Medical AG Apparatus for encrypting data
US20150033251A1 (en) * 2013-07-26 2015-01-29 Electronics And Telecommunications Research Institute Network protocol for contents protection in digital cable broadcasting service and conditional access system using the protocol
CN104065669B (zh) * 2014-07-08 2017-03-01 浪潮（苏州）金融技术服务有限公司 一种空间网络加密方法
CN104917753B (zh) * 2015-05-04 2018-07-10 北京奇艺世纪科技有限公司 一种基于对称密钥进行通信的方法和系统

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US5159634A (en) * 1991-09-13 1992-10-27 At&T Bell Laboratories Cryptosystem for cellular telephony
US5224166A (en) * 1992-08-11 1993-06-29 International Business Machines Corporation System for seamless processing of encrypted and non-encrypted data and instructions
JP2828218B2 (ja) * 1993-09-20 1998-11-25 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 分散通信ネットワークにおける許可パスワードまたはキーの変更方法およびシステム
US5475826A (en) * 1993-11-19 1995-12-12 Fischer; Addison M. Method for protecting a volatile file using a single hash
US5535276A (en) * 1994-11-09 1996-07-09 Bell Atlantic Network Services, Inc. Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
JP2812312B2 (ja) * 1996-01-12 1998-10-22 三菱電機株式会社 暗号化システム
US5870475A (en) * 1996-01-19 1999-02-09 Northern Telecom Limited Facilitating secure communications in a distribution network
US6041123A (en) * 1996-07-01 2000-03-21 Allsoft Distributing Incorporated Centralized secure communications system
FR2755809B1 (fr) * 1996-11-13 1999-05-28 Thomson Multimedia Sa Procede de protection d'information transmise d'un element de securite vers un decodeur et systeme de protection utilisant un tel procede
JP3565715B2 (ja) * 1998-07-02 2004-09-15 松下電器産業株式会社 放送システムと放送送受信装置
DE69935913T2 (de) * 1998-07-02 2008-01-10 Cryptography Research Inc., San Francisco Leckresistente aktualisierung eines indexierten kryptographischen schlüssels
FR2824212A1 (fr) * 2001-04-25 2002-10-31 Thomson Licensing Sa Procede de gestion d'une cle symetrique dans un reseau de communication et dispositifs pour la mise en oeuvre
US20030053629A1 (en) * 2001-09-14 2003-03-20 Koninklijke Philips Electronics N.V. USB authentication interface
US7370350B1 (en) * 2002-06-27 2008-05-06 Cisco Technology, Inc. Method and apparatus for re-authenticating computing devices
US7475241B2 (en) * 2002-11-22 2009-01-06 Cisco Technology, Inc. Methods and apparatus for dynamic session key generation and rekeying in mobile IP

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101064595B (zh) * 2006-04-27 2011-07-27 联想(北京)有限公司 一种计算机网络安全输入认证系统和方法

Also Published As

Publication number Publication date
US8369524B2 (en) 2013-02-05
WO2004045184A1 (fr) 2004-05-27
AU2003292300A1 (en) 2004-06-07
DE60305057T2 (de) 2006-11-23
US20060104440A1 (en) 2006-05-18
EP1557025B1 (fr) 2006-05-03
WO2004043036A1 (fr) 2004-05-21
EP1557025A1 (fr) 2005-07-27
DE60305057D1 (de) 2006-06-08
AU2003292299A1 (en) 2004-06-03

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WD01 Invention patent application deemed withdrawn after publication